GLP-1 Weight Loss Injections for Women: What to Know About Ozempic, Wegovy, and Saxenda

GLP-1 receptor agonists — the class of drugs behind Ozempic, Wegovy, and Saxenda — have rapidly shifted from niche diabetes treatments to mainstream weight loss tools, with telehealth platforms making them easier than ever to access. More than 40% of U.S. adults have obesity, and when including those who are overweight with a weight-related condition, the pool of potential candidates is even larger, according to Dr. Anthony Jay Millard, a board-certified obesity medicine physician at Northwestern Medicine in Chicago.

The most talked-about options center on semaglutide, the active ingredient in both Ozempic and Wegovy. Ozempic is FDA-approved specifically for type 2 diabetes management and cardiovascular risk reduction — not standalone weight loss — but has gained wide off-label use due to its documented effectiveness. Wegovy, by contrast, carries an explicit FDA approval for weight management in adults with a BMI of 27 or higher who have a weight-related condition, or anyone with a BMI of 30-plus. Clinical trial data published in the New England Journal of Medicine found semaglutide could produce roughly 15% body weight loss after 68 weeks in qualifying adults.

Saxenda takes a different chemical route, using liraglutide rather than semaglutide. It's FDA-approved for obesity treatment in adults and children aged 12 and older who meet weight thresholds, and works by curbing appetite and slowing stomach emptying. The tradeoff: liraglutide is modestly less potent, with studies suggesting up to 8% weight loss — and it requires daily injections rather than the weekly schedule of Ozempic and Wegovy, according to Dr. Raoul Manalac, senior director of clinical experience at RO.

Experts are clear that these drugs are not shortcuts. Dr. Millard warns that any provider framing these injections as a quick fix or short-term solution is a red flag, because obesity is a chronic condition requiring a sustained, multi-pronged approach — diet, exercise, sleep, stress management, and social environment all factor in. Some patients use the medications for months while building lifestyle habits; others stay on them indefinitely. Either way, the first step should be a conversation with a licensed clinician, not a telehealth checkout page.